libcpan-perl-releases-perl 2.42-1 (amd64 binary) in ubuntu xenial

 CPAN::Perl::Releases is a module that contains the mappings of all Perl
 releases that have been uploaded to CPAN to the authors/id/ path that the
 tarballs reside in.
 .
 This is static data, but newer versions of this module will be made available
 as new releases of Perl are uploaded to CPAN.